Normal height for 12 year olds
The average height for 12 year old boys is 149.3 cm and 12 year old girls average 151.5 cm1 The tables below show the distribution of height by percentile of the 12 year year old population.
Current units = centimeters. View this page in feet/inches.
Height percentile table for 12 year old boys
| Percentile | Height |
|---|---|
| 3rd | 135.7 cm |
| 5th | 137.3 cm |
| 10th | 139.9 cm |
| 25th | 144.3 cm |
| 50th | 149.3 cm |
| 75th | 154.4 cm |
| 90th | 159 cm |
| 95th | 161.9 cm |
| 97th | 163.7 cm |
Height percentile table for 12 year old girls
| Percentile | Height |
|---|---|
| 3rd | 137.4 cm |
| 5th | 139.2 cm |
| 10th | 142 cm |
| 25th | 146.5 cm |
| 50th | 151.5 cm |
| 75th | 156.4 cm |
| 90th | 160.8 cm |
| 95th | 163.5 cm |
| 97th | 165.2 cm |
Source Citations
- Robert J. Kuczmarski Dr.P.H. et al., Centers for Disease Control and Prevention, U.S. Department of Health & Human Services 2000 CDC Growth Charts for the United States: Methods and Development